#ifndef CAFFE_YOLOV2_DETECTOR_LAYER_HPP_
#define CAFFE_YOLOV2_DETECTOR_LAYER_HPP_

#include <vector>

#include "caffe/blob.hpp"
#include "caffe/layer.hpp"
#include "caffe/proto/caffe.pb.h"

namespace caffe {

template <typename Dtype>
class YOLOv2DetectorLayer : public Layer<Dtype> {
 public:
  explicit YOLOv2DetectorLayer(const LayerParameter& param)
      : Layer<Dtype>(param) {}
  virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
      const vector<Blob<Dtype>*>& top);
  virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
      const vector<Blob<Dtype>*>& top);

  virtual inline const char* type() const { return "YOLOv2Detector"; }
  virtual inline int ExactNumBottomBlobs() const { return 1; }
  virtual inline int ExactNumTopBlobs() const { return 1; }

 protected:
  virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom,
      const vector<Blob<Dtype>*>& top);
  virtual void Backward_cpu(const vector<Blob<Dtype>*>& top,
      const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom) {
    for (int i = 0; i < propagate_down.size(); ++i) {
      if (propagate_down[i]) { NOT_IMPLEMENTED; }
	}
  }

  int anchor_num_;
  std::vector<std::vector<float> > anchors_;
  int class_num_;
  int coords_;
};

}  // namespace caffe
#endif // CAFFE_YOLOV2_DETECTOR_LAYER_HPP_
